Classification of Gutkovaite-Mn |
| IMA status: | Approved 2002 |
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| Strunz 8th edition ID: | 8/E.07-200
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| Nickel-Strunz 10th (pending) edition ID: | 9.CE.30h
9 : SILICATES (Germanates) C : Cyclosilicates E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions |
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| mindat.org URL: | http://www.mindat.org/min-29087.html Please feel free to link to this page. |
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Type Occurrence of Gutkovaite-Mn |
| Type Locality: | Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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| Place of Conservation of Type Material: | Fersman Mineralogical Museum, Moscow, Russia. |
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| Geological Setting of type material: | Pegmatite within nepheline syenite. |
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| Associated Minerals at type locality: | |
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Physical Properties of Gutkovaite-Mn |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | pale yellowish-pink |
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| Streak: | White |
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| Hardness (Mohs): | 5 |
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| Hardness Data: | Measured |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Fracture: | Irregular/Uneven |
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| Density (measured): | 2.83 g/cm3 |
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| Density (calculated): | 2.79 g/cm3 |
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Crystallography of Gutkovaite-Mn |
| Crystal System: | Monoclinic |
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| Cell Parameters: | a = 14.3Å, b = 13.889Å, c = 7.76Å β = 117.51° |
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| Ratio: | a:b:c = 1.03 : 1 : 0.559 |
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| Unit Cell Volume: | V 1,366.97 ų (Calculated from Unit Cell) |
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| Z: | 2 |
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| Morphology: | Prismatic crystals to 0.8 mm in length. |
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| Twinning: | Microtwinned on (001) and (_401). |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 7.0 | | (70) | | 6.33 | | (50) | | 3.22 | | (90) | | 3.05 | | (100) | | 2.57 | | (50) |
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| Comments: | 57 mm Debye-Scherrer, FeKα radiation.
Format: d/A (I/%) (hkl) |
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Optical Data of Gutkovaite-Mn |
| Type: | Biaxial (+) |
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| Dispersion: | None observed. |
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| Pleochroism: | Non-pleochroic |
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Chemical Properties of Gutkovaite-Mn |
| Formula: | | K | | CaMn(Ti,Nb) | | [(O,OH) | | |Si | | O | | ] | | · 5H | | O |
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| All elements listed in formula: | Ca, H, K, Mn, Nb, O, Si, Ti |
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Relationship of Gutkovaite-Mn to other Species |
| Member of Group: | |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Gutkovaite-Mn |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Gutkovaite-Mn |
| Reference List: | - Pekov, I.V., Chukanov, N.V., Rastsvetaeva, R.K., Zadov, A.E., Kononkova, N.N. (2002): Gutkovaite-Mn, CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5H2O, a new mineral of the labuntsovite group from the Khibiny massif, Kola Peninsula. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva, 131(2), 51-57.
- Chukanov, N,V., Pekov, I.V., Khomyakov, A.P. (2002): Recommended nomenclature for labuntsovite-group minerals. European Journal of Mineralogy, 14, 165-173.
Rozenberg K.A., Rastsvetaeva R.K. (2002), IMA 18th Meeting, Poster Session A12, A12-6.
Rastsvetaeva R.K., Pekov I.V., Nekrasov Yu.V. (2001), Kristallografiya, 46, 415-417 [Crystallogr. Reports, 46, 415-417]
Belokoneva E.L. (2005), Crystallogr. Reports, 50, 13-19.
Jambor, John L., V.A. Kovalenker, & A.C. Roberts (2003), New Mineral Names, American Mineralogist: 88: 931-935.
Kola Science Center of Russian Academy of Sciences - History http://www.kolasc.net.ru/ksc/history.html).
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Internet Links for Gutkovaite-Mn |
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| External Links: | Look for Gutkovaite-Mn on WebmineralLook for Gutkovaite-Mn on Athena MineralogyLook for Gutkovaite-Mn on WikipediaLook for Gutkovaite-Mn on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Gutkovaite-Mn in the Natural History Museum (London) online catalogue |
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Localities for Gutkovaite-Mn |